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Snapchat, a Growing App, Lets You See It, Then You Don't — LOS ANGELES — The ephemeral now has value, at least for users of cellphones. — More than 60 million photos or messages are sent each day through an app called Snapchat and then, after they are viewed for a few seconds, the missives vanish.

Security Firm Bit9 Hacked, Used to Spread Malware — Bit9, a company that provides software and network security services to the U.S. government and at least 30 Fortune 100 firms, has suffered an electronic compromise that cuts to the core of its business: helping clients distinguish known …

Toys and Apps Are Yet to Play Nice Together — Efforts to Link Tablets to Dolls and Board Games Falls Short So Far, but Industry Continues to Try — Last year, trying to show how the toy industry could remain relevant in the tablet age, Hasbro Inc. unveiled an iPad-enhanced version of its classic Game of Life.